$OpenBSD: patch-sizes_h,v 1.1 2015/02/17 21:40:43 naddy Exp $
--- sizes.h.orig	Sun Feb 28 18:24:56 2010
+++ sizes.h	Tue Feb 17 22:36:10 2015
@@ -14,7 +14,7 @@
 
 #include <limits.h>
 
-#define rand32() ((unsigned int) rand() | ( (unsigned int) rand() << 16))
+#define rand32() arc4random()
 
 #if (ULONG_MAX == 4294967295UL)
     #define rand_ul() rand32()
